Spark Plugs
Engine Core Plug
Mazda
9930-63-500
Location-Side of Block. All Required. Location-Engine Block. Location-Rear of Head. Location-Front of Head.
MSRP $5.32
Engine Core Plug
Mazda
9WR0-43-000
Location-Top of Head. All Required. Location-Side of Block.
MSRP $5.90
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